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light therapy

American

noun

Medicine/Medical.

therapeutic exposure to full-spectrum artificial light that simulates sunlight, used to treat various conditions, as seasonal affective disorder.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"Future studies should examine the potential role of circadian rhythm interventions, such as light therapy or lifestyle changes, to determine if they may help lower a person's risk of dementia."

From Science Daily • Jan. 3, 2026

I’ll also do 10 minutes of red light therapy and I’ll maybe meditate for a few minutes to calm myself down, then go to bed.

From Los Angeles Times • Aug. 8, 2025

Four sleeping pods are due to be installed, while there will also be an area for red light therapy and also dry flotation tanks.

From BBC • Aug. 8, 2025

Combined with things such as light therapy, exercise, sleep and a balanced diet, decorating to combat SAD can cheer you up.

From Seattle Times • Jan. 8, 2024

After an hour of Thermo-Vibro-Magneto-Magenta-Edison-Company light therapy, she weighed out at 182-6.

From The Women of Tomorrow by Hard, William

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023